﻿
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<!-- saved from url=(0014)about:internet -->
<html xmlns:msxsl="urn:schemas-microsoft-com:xslt" xmlns:mssdk="winsdk" xmlns:script="urn:script" xmlns:build="urn:build" xmlns:MSHelp="http://msdn.microsoft.com/mshelp">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<meta name="Description" content="Global Flag Reference"/>
<meta name="MSHAttr" content="PreferredSiteName:MSDN"/>
<meta name="MSHAttr" content="PreferredLib:/library/windows/hardware"/>
<title>Global Flag Reference</title>

<meta name="MS-HAID" content="GFlags_a79083df-57a3-487a-92b0-a05402c20b93.xml"/>


<link rel="STYLESHEET" type="text/css" HREF="../common/backsdk4.css"/>





<style>
html,div { margin: 0; padding: 0;}

body {
	padding: 0px;
	margin: 0px;
	overflow: auto;
	height: 100%;
}

#winchm_template_button{
	float: right;
	width: 93px;
	top: 7px;
	position: relative;
	text-align: right;
	right: 5px;
	height: auto;
}

#winchm_template_top{
	padding: 0px;
	margin: 0px;
	border-bottom: 1px solid #9B9B9B;
	background-color: #B1CEFE;
}

#winchm_template_navigation{
	margin: 0px;
	padding-top: 7px;
	padding-left: 7px;
	padding-bottom: 3px;
	padding-right: 0px;
	font-size: 8.5pt;
	font-family: Arial, Helvetica, sans-serif;
	font-weight: normal;
	color: #585858;
}

#winchm_template_title{
	margin: 0px;
	padding-top: 4px;
	padding-left: 7px;
	padding-bottom: 7px;
	padding-right: 0px;
	font-size: 18px; 
	font-family: Verdana, Geneva, sans-serif;
	color: #363636;
}

#winchm_template_content{
	margin-top: 20px;
	margin-left: 15px;
	margin-bottom: 20px;
	margin-right: 15px;
	width: auto  !important;
	width: 100%;
}

#winchm_template_footer{
	border-width: 1px;
	border-color: #B1CEFE;
	border-top-style: solid;
	margin-top: 15px;
	margin-left: 15px;
	margin-bottom: 20px;
	margin-right: 15px;
	padding-top: 7px;
	padding-left: 0px;
	padding-bottom: 0px;
	padding-right: 0px;
	font-family: arial, helvetica, sans-serif;
	font-size: 8.5pt;
	color: #696969;
	width: auto;
	text-align: left;
}


#winchm_template_container{
	margin: 0px;
	padding: 0px;
	position: static;
	padding-bottom: 3px;
	overflow: auto;
	background-color: #FFFFFF;
}


@media print
{
#winchm_template_container{
	position: static;	
	margin: 0px;
	padding: 5px;
	
	width: auto;
	height: auto;
	overflow: auto;
}
#winchm_template_button{
visibility:hidden;
}
}

#winchm_template_navigation A:link	{text-decoration: none; color:#004080}
#winchm_template_navigation A:visited  {text-decoration: none; color: #004080}
#winchm_template_navigation A:active {text-decoration: none; color: #004080 }
#winchm_template_navigation A:hover {text-decoration: none;color: #0080FF}

A:link	{text-decoration: underline; color:#0033CC}
A:visited  {text-decoration: underline; color: #0033CC}
A:active {text-decoration: underline; color: #0033CC }
A:hover {text-decoration: underline;color: #FF0000;}
</style>
<script type="text/javascript">
function isMobile(){
Agent = window.navigator.userAgent;
if (Agent.indexOf("iPhone")>=1 || Agent.indexOf("iPad")>=1 || Agent.indexOf("iPod")>=1 || Agent.indexOf("Android")>=1){
return true;
}else{
return false;	
}

}
function d_onresize(){
if (window.navigator.userAgent.indexOf("MSIE")>=1){
document.getElementById('winchm_template_container').style.pixelWidth = document.body.offsetWidth - 3;
document.getElementById('winchm_template_container').style.pixelHeight = document.body.offsetHeight - document.getElementById('winchm_template_top').offsetHeight - 4;
}
document.getElementById('winchm_template_container').style.top = document.getElementById('winchm_template_top').offsetHeight + 'px';
}

function d_onbeforeprint(){
document.getElementById('winchm_template_container').style.width = 'auto';
document.getElementById('winchm_template_container').style.height = 'auto';
}

function d_onafterprint(){
d_onresize();
}

if(!isMobile()){

window.onload = d_onresize;
window.onresize = d_onresize;
window.onbeforeprint = d_onbeforeprint;
window.onafterprint = d_onafterprint;

document.write("<style>\n");
document.write("body {overflow: hidden;}\n");
document.write("#winchm_template_container {position: absolute;overflow: auto;top : 0px;right: 0px;bottom: 0px;left: 0px;}\n");
document.write("</style>\n");
}

</script>
</head>
<body><script language="JavaScript" type="text/JavaScript">
function syn(){
if(parent.nav.tree){
 if(parent.nav.tree.loaded){
  parent.nav.tree.selectNode(57);
 }else{
  setTimeout("syn()",500);
}
  }else{
  setTimeout("syn()",500);
  }}
if(parent!=self){
  setTimeout("syn()",100);
}else{
  parent.location.href = "../../index.htm?page=debugger/global_flag_reference.htm";
}
originalOnload = window.onload;
if(originalOnload==null){
window.onload = function(){parent.contentLoaded = true;};
}else{
window.onload = function(){originalOnload();parent.contentLoaded = true;};
}
</script> 


<div id="winchm_template_top">
	<div id="winchm_template_button"><A href="configuring_object_reference_tracing.htm" title="Previous topic"><img id="winchm_template_prev" alt="Previous topic" src="../template2/btn_prev_n.gif" border="0"></a><A href="buffer_dbgprint_output.htm" title="Next topic"><img id="winchm_template_next" alt="Next topic" src="../template2/btn_next_n.gif" border="0"></a></div>
	<div id="winchm_template_navigation">Help &gt; 
<A href="introduction6.htm">Debugging Tools for Windows (WinDbg, KD, CDB, NTSD)</A> &gt; <A href="debugging_resources.htm">Debugging Resources</A> &gt; <A href="extra_tools.htm">Tools Included in Debugging Tools for Windows</A> &gt; <A href="gflags.htm">GFlags</A> &gt; </div>
	<div id="winchm_template_title">Global Flag Reference</div>
</div>
<div id="winchm_template_container">
	<div id="winchm_template_content"><div id="mainSection"><p>This reference describes the flags that GFlags sets.</p>
<p>
<div class="alert"><b>Note</b>    The symbolic name of each flag is provided for reference only. Because symbolic names change, they are not a reliable identifier of a global flag. </div>
<div> </div>
</p>
<p>The global flags include:</p>
<dl>
<dd>
<p><a href="#Bookmark58">Buffer DbgPrint Output</a></p>
</dd>
<dd>
<p><a href="#Bookmark59">Create kernel mode stack trace database</a></p>
</dd>
<dd>
<p><a href="#Bookmark60">Create user mode stack trace database</a></p>
</dd>
<dd>
<p><a href="#Bookmark61">Debug initial command</a></p>
</dd>
<dd>
<p><a href="#Bookmark62">Debug WinLogon</a></p>
</dd>
<dd>
<p><a href="#Bookmark63">Disable heap coalesce on free</a></p>
</dd>
<dd>
<p><a href="#Bookmark64">Disable paging of kernel stacks</a></p>
</dd>
<dd>
<p><a href="#Bookmark65">Disable protected DLL verification</a></p>
</dd>
<dd>
<p><a href="#Bookmark66">Disable stack extension</a></p>
</dd>
<dd>
<p><a href="#Bookmark67">Early critical section event creation</a></p>
</dd>
<dd>
<p><a href="#Bookmark68">Enable application verifier</a></p>
</dd>
<dd>
<p><a href="#Bookmark69">Enable bad handles detection</a></p>
</dd>
<dd>
<p><a href="#Bookmark70">Enable close exception</a></p>
</dd>
<dd>
<p><a href="#Bookmark71">Enable debugging of Win32 subsystem</a></p>
</dd>
<dd>
<p><a href="#Bookmark72">Enable exception logging</a></p>
</dd>
<dd>
<p><a href="#Bookmark73">Enable heap free checking</a></p>
</dd>
<dd>
<p><a href="#Bookmark75">Enable heap tagging</a></p>
</dd>
<dd>
<p><a href="#Bookmark76">Enable heap tagging by DLL</a></p>
</dd>
<dd>
<p><a href="#Bookmark77">Enable heap tail checking</a></p>
</dd>
<dd>
<p><a href="#Bookmark78">Enable heap validation on call</a></p>
</dd>
<dd>
<p><a href="#Bookmark79">Enable loading of kernel debugger symbols</a></p>
</dd>
<dd>
<p><a href="#Bookmark80">Enable object handle type tagging</a></p>
</dd>
<dd>
<p><a href="#Bookmark81">Enable page heap</a></p>
</dd>
<dd>
<p><a href="#Bookmark82">Enable pool tagging</a></p>
</dd>
<dd>
<p><a href="#Bookmark84">Enable system critical breaks</a></p>
</dd>
<dd>
<p><a href="#Bookmark85">Load image using large pages if possible</a></p>
</dd>
<dd>
<p><a href="#Bookmark86">Maintain a list of objects for each type</a></p>
</dd>
<dd>
<p><a href="#Bookmark87">Object Reference Tracing</a></p>
</dd>
<dd>
<p><a href="#Bookmark88">Show loader snaps</a></p>
</dd>
<dd>
<p><a href="#Bookmark89">Special Pool</a></p>
</dd>
<dd>
<p><a href="#Bookmark90">Stop on exception</a></p>
</dd>
<dd>
<p><a href="#Bookmark91">Stop on hung GUI</a></p>
</dd>
<dd>
<p><a href="#Bookmark92">Stop on unhandled user-mode exception</a></p></dd></dl></div></div>	
	<div id="winchm_template_footer">Copyright &copy; 2019. All rights 
reserved. (To change the copyright info, just edit it in template.)</div>
</div>

</body>
</html>
